Browsing by Author "Carneiro, Paula"
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- Combining SMED methodology and ergonomics for reduction of setup in a turning production areaPublication . Brito, Marlene; Gonçalves, Maria Antónia; Ramos, Ana Luísa; Carneiro, PaulaThe aim of this study is to prove that it is possible to reduce the setup time and improve ergonomic conditions at the same time. This research took place in a turning production area of a metallurgical factory where workers’ complains due to shoulder pains and tendinitis were high, due to the awkward postures and forceful hand exertions to perform the manual tasks. Moreover, the high setup time of 105 minutes caused productivity problems and delays for customers. Through the SMED tool and increasing ergonomic conditions, the setup time was reduced 46% and the MSD risk also decreased.
- Comparison between anthropometric equipment and scanners in hand measurementPublication . Filho, P. C. Anacleto; Silva, Lincoln da; Castellucci, H. I.; Rodrigues, Matilde; Pereira, Eduarda; Pombeiro, Ana; Colim, Ana; Carneiro, Paula; Arezes, PedroAnthropometric studies have influenced the design of apparel, accessories, medical prostheses, equipment, workstations, and tools. Particularly, hand anthropometry is related to safety and adequacy of hand tools and devices. Different equipment and methods can be used to obtain body measurements with different precision and reliability levels. However, precision and reliability are not the only aspects to be considered. The present study aims to evaluate the agreement of four different pieces of equipment for anthropometric measurement of the hand, namely, anthropometer, anthropometric tape, 2D scanner, and 3D scanner. These measurement methods were compared in terms of required time, precision, complexity, and cost, for the case of two-dimensional hand measurements. Data was collected on hand length and breadth from 25 workers in North Portugal. Among the main findings, we can highlight a relatively low accuracy and higher measurement times for 2D and 3D scanners due to scanning, processing, digitalization, and calibration steps. Traditional direct measurement methods were considered the most appropriate to obtain hand length and breadth measures, as they required less time and were more accurate, less costly and complex than 2D and 3D scanner methods. These results emphasize the caution required when selecting anthropometric methods.
- A continuous improvement assessment tool, considering lean, safety and ergonomicsPublication . Brito, Marlene; Gonçalves, Maria Antónia; Ramos, Ana Luísa; Carneiro, PaulaThe purpose of this paper is to present an attempt to develop an instrument containingoperational measures of lean combined with safety and ergonomic conditions in a workstation or productionline. This operational tool aims to help researchers and practitioners to prioritize and evaluate the lean implementations, as well as the ergonomic and safety conditions, in an integrated way.
- Ergonomic Analysis in Lean Manufacturing and Industry 4.0—A Systematic ReviewPublication . Brito, Marlene; Gonçalves, Maria Antónia; Ramos, Ana Luísa; Carneiro, PaulaIn 2015, the UN defined well-being and decent work/economic growth as two of 17 sustainable development objectives. Nevertheless, the extreme pressure for businesses to be competitive in their markets of choice seems to be having a negative effect on workers’ well-being. In the manufacturing sector, the effective inclusion of Ergonomics in processes and installations has been proven to decrease costs related to disability, extra or overtime hours, medical care and premiums or fines for occurrences. The aim of this work was to review the existing scientific knowledge about the impact of adopting LPS (Lean Production Systems—a model used to increase competitiveness by the creation of more value for customers with fewer resources) in manufacturing companies from the point of view of Ergonomics. It reports, based on the literature reviewed, how the integration of both LPS and Ergonomics principles, from the workstation design phase onwards, can bring benefits to the workers’ welfare and simultaneously potentiate improvements in productivity. This paper also intends to present trends and opportunities for future research in this area, including in the Industry 4.0 field. In the authors’ opinion, this paper is a valuable contribution for practitioners, in manufacturing environments, and researchers.
- Improving ergonomic conditions and productivity – a case study in a PVD coating production areaPublication . Brito, Marlene; Ramos, Ana Luísa; Carneiro, PaulaDue to demographic variation, fewer young workers are available and the overall number of workers will decrease. The length of absenteeism, especially due to musculoskeletal disorders (MSDs), increases with higher age (Müglich et al., 2015). According to Neumann and Dul (2010), if effectively applied in the design of operation systems, Human Factors can improve system performance while reducing health hazards for employees. The aim of this work is to evaluate “How productivity is affected after the implementation of ergonomics improvements?” The case study takes place in a PVD coating production area, where workers’ complaints due to shoulder pains were rising considerably. These complaints come mainly from the processes of loading and unloading pieces from the suspension, before and after the product entering the PVD machine, respectively. This is a repetitive job and involves two awkward postures: flexion of the arms above 60o (from now on “arms up”) about 30% of the time and the difficulty to move manually a full suspension of 6kg, on average, from the machine carpet to a table every 3 minutes and vice-versa depending if it is an unloading or a loading process.
- Improving the Production Performance and Ergonomic Aspects Using Lean and Agile ConceptsPublication . Brito, Marlene; Gonçalves, Maria Antónia; Ramos, Ana Luísa Ferreira Andrade; Carneiro, Paula; Ferreira, José António de Vasconcelos; Frade, Ana Beatriz TavaresThe study described in this work took place in the sanding and polishing area of a meta-lurgical company, where workers’ complaints due to the strength needed to perform manual tasks, as well as their repetitive pattern, led to cases of shoulder pain and tendinitis.The study aimed to evidence the benefits of using an integrated operations management approach, following lean/agile/ergonomic concepts, to improve the performance and ergonomic aspects of a production system. The results demonstrate that it is possible to reach an efficient production system, which meets safety and ergonomics requirements, by using lean and agile principles and companies should consider both ergonomic aspects and production performance during continuous improvement implementations to increase productivity and worker well-being.
- Safety culture in higher education institutions: Knowledge and training preferencesPublication . Filho, P. C. Anacleto; Dall-Orsoletta, Alaize; Carneiro, Paula; Colim, Ana; Leão, Celina P.; Rodrigues, Matilde; Costa, Susana; Costa, NelsonThe development of a positive culture is a key element within an organization to achieve performance against a strategic objective. In terms of safety, universities play a very important role in training new professionals who must be increasingly aware and prepared for the challenges of the labour market and daily activities. Therefore, this study aims to assess the safety culture of newcomer students to higher education through the application of a 22-item questionnaire. Participants included 109 undergraduate and master’s students from 31 different courses at a university in Northern Portugal. It was observed that the level of knowledge varied according to the type of course adopted and the gender of the student. A global performance level of below 80% shows that safety knowledge can improve further. Additionally, different preferences concerning the content, moment, and format of safety training were presented. The low level of interest in training related to chemical leakage, suspicious package, and bombing show participants may attribute a low probability level to these events. In conclusion, this work shows that it can be useful for universities to consider different training approaches according to different course types.
- Using a continuous improvement tool to improve workers' well-being and productivity - A case study in a piglet cutting workstationPublication . Brito, Marlene; Gonçalves, Maria Antónia; Pereira, Maria Teresa Ribeiro; Ramos, Ana Luísa; Carneiro, Paula; Pinto, Vera; Laroca, Ana IsabelNowadays there is an increasing concern for well- being. However, workers continue to suffer from musculoskeletal disorders, which are one of the most widely recognized types of occupational disease. Meat cutters face higher risks of injury and musculoskeletal problems than most other occupational groups due to repetition, force, static posture, work organization, and lack of recovery time. The aim of this paper is to use a continuous improvement audit tool to analyze the current situation of a piglet cutting workstation and then identify measures to improve it, considering productivity and workers’ well-being.